AcoSail/kernel_optimize_test
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ALSA: core: Deletion of unnecessary checks before two function calls

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The functions snd_seq_oss_timer_delete() and vunmap() perform also input
parameter validation. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Markus Elfring 2014-11-21 18:34:48 +01:00 committed by Takashi Iwai
parent eaa8e5ef18
commit d712eaf29d
2 changed files with 4 additions and 8 deletions
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9
sound/core/seq/oss/seq_oss_init.c
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@ -403,14 +403,11 @@ free_devinfo(void *private)
{
struct seq_oss_devinfo *dp = (struct seq_oss_devinfo *)private;
if (dp->timer)
snd_seq_oss_timer_delete(dp->timer);
snd_seq_oss_timer_delete(dp->timer);
if (dp->writeq)
snd_seq_oss_writeq_delete(dp->writeq);
snd_seq_oss_writeq_delete(dp->writeq);
if (dp->readq)
snd_seq_oss_readq_delete(dp->readq);
snd_seq_oss_readq_delete(dp->readq);
kfree(dp);
}

3
sound/core/sgbuf.c
View File

@ -39,8 +39,7 @@ int snd_free_sgbuf_pages(struct snd_dma_buffer *dmab)
if (! sgbuf)
return -EINVAL;
if (dmab->area)
vunmap(dmab->area);
vunmap(dmab->area);
dmab->area = NULL;
tmpb.dev.type = SNDRV_DMA_TYPE_DEV;